Air Quality
Excellent
No health implications.
30
PM2.5
31
PM10
40
O3
0.7
CO
9
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Aug
66
Good
Mon
17 Aug
55
Good
Tue
18 Aug
53
Good
Wed
19 Aug
47
Excellent
Thu
20 Aug
49
Excellent
Fri
21 Aug
46
Excellent
Sat
22 Aug
30
Excellent
Air quality in the last 12 months (Hezhang)
|
2026/07
|
27
|
20
|
15
|
15
|
21
|
29
|
29
|
29
|
30
|
31
|
25
|
21
|
27
|
29
|
32
|
33
|
27
|
28
|
53
|
43
|
40
|
42
|
42
|
34
|
23
|
23
|
24
|
22
|
18
|
20
|
21
|
|
2026/06
|
43
|
41
|
31
|
34
|
41
|
41
|
27
|
29
|
33
|
30
|
31
|
30
|
29
|
31
|
35
|
24
|
19
|
16
|
26
|
31
|
24
|
19
|
22
|
16
|
15
|
19
|
26
|
24
|
21
|
23
|
|
|
2026/05
|
35
|
21
|
26
|
25
|
31
|
39
|
39
|
47
|
27
|
29
|
26
|
29
|
38
|
46
|
32
|
30
|
27
|
23
|
29
|
34
|
32
|
35
|
35
|
32
|
35
|
31
|
33
|
21
|
27
|
38
|
37
|
|
2026/04
|
36
|
35
|
31
|
33
|
44
|
45
|
38
|
43
|
30
|
35
|
35
|
33
|
33
|
30
|
43
|
32
|
32
|
33
|
52
|
34
|
31
|
21
|
29
|
44
|
51
|
45
|
28
|
28
|
29
|
37
|
|
|
2026/03
|
39
|
28
|
19
|
24
|
43
|
41
|
17
|
21
|
17
|
22
|
43
|
51
|
42
|
36
|
23
|
32
|
31
|
23
|
36
|
25
|
43
|
41
|
34
|
23
|
38
|
32
|
32
|
25
|
36
|
26
|
25
|
|
2026/02
|
22
|
27
|
34
|
50
|
49
|
54
|
60
|
29
|
44
|
29
|
34
|
49
|
46
|
56
|
53
|
73
|
72
|
46
|
24
|
48
|
52
|
64
|
58
|
47
|
54
|
47
|
48
|
46
|
|||
|
2026/01
|
36
|
21
|
23
|
18
|
37
|
35
|
51
|
41
|
90
|
107
|
90
|
88
|
81
|
85
|
88
|
107
|
109
|
84
|
74
|
26
|
21
|
30
|
59
|
58
|
50
|
42
|
68
|
65
|
44
|
35
|
32
|
|
2025/12
|
112
|
107
|
73
|
40
|
43
|
74
|
43
|
79
|
61
|
52
|
79
|
60
|
35
|
66
|
61
|
60
|
43
|
77
|
81
|
45
|
63
|
59
|
39
|
48
|
52
|
81
|
81
|
93
|
66
|
40
|
37
|
|
2025/11
|
19
|
20
|
15
|
25
|
31
|
31
|
27
|
19
|
17
|
18
|
21
|
21
|
19
|
41
|
31
|
48
|
23
|
19
|
25
|
41
|
46
|
60
|
48
|
38
|
51
|
70
|
64
|
75
|
107
|
118
|
|
|
2025/10
|
14
|
21
|
28
|
26
|
27
|
23
|
16
|
15
|
20
|
26
|
29
|
27
|
24
|
32
|
30
|
26
|
19
|
16
|
18
|
16
|
13
|
20
|
25
|
53
|
18
|
18
|
21
|
38
|
29
|
23
|
22
|
|
2025/09
|
24
|
25
|
25
|
33
|
33
|
23
|
39
|
23
|
25
|
32
|
31
|
25
|
22
|
31
|
29
|
23
|
17
|
16
|
20
|
30
|
28
|
18
|
20
|
18
|
23
|
19
|
21
|
23
|
21
|
18
|
|
|
2025/08
|
33
|
33
|
36
|
41
|
36
|
26
|
22
|
27
|
28
|
24
|
14
|
26
|
26
|
31
|
27
|
25
|
22
|
25
|
25
|
24
|
23
|
15
|
16
|
18
|
19
|
17
|
18
|
22
|
21
|
17
|
20
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution